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We spent many hours on research and managed to find top 10 18650 charger single slot that is best suitable for you. This review is based on reliable sources, product specs, and hundreds of customer reviews. In this article, were going to highlight the main features of the best 18650 charger single slot and why they are important when it comes to choosing the right one.

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Best 18650 charger single slot reviews

1. Smart USB Lithium Battery Charger 1A Fast Charging for 18650 26650 32650 14500 18500 17335 3.7 4.2V Rechargeable Lithium Batteries Single Slot

Feature

UNIVERSAL FLASHLIGHT CHARGER: The Li-On charger are used for rechargeable batteries, like Li-ion/LiFePO4 IMR INR ICR 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500,17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 32650 and etc for LED flashlights.
WIDELY USE: It works from Micro USB interface at input 5V/2A, and output 4.2V/1A (1000mAh, others are normally 500mAh and slower than this charger) to charge a Li-ion battery. The design of input from Micro USB port can be compatible with either a mobile device or car charger port.
SAFE CHARGER: The Li-On lamp charger was featured overcharge and over discharge protection, short circuit protection, smart identification of damaged batteries and battery reverse polarity protection. We adopted high quality PCB and meal parts to ensure long life of charger.
QUCK CHARGING: Portable and convenient design to support global USB directly charging. With output of current at 1A, the flashlight charger is high speed to make charging faster than normal.
INDICATOR & SMART CHARGER: When the indicator is RED, it means no battery installed into the charger or it is charging; when it's GREEN, it means full charged; make sure you put the battery in position and it contacts with charger. Automatically detects the battery type and start charging or stop charging; no need extra setup to charge a 3.6V battery or 4.2V battery. This charger will protect your battery when it's full charged no matter how long you will leave the battery in the charger.

2. Single Slot Li-ion Battery Charger for 18650/18500/16340/14500 Rechargeable Lithium Batteries Charging

Feature

Universal multifunctional home/travel AC wall battery charger. Fit Cell size: 18650/16340/10440(AA)/14500(AAA)/26650, etc.
Designed to charge your batteries safely. Automatically stops when charging is complete.
Red/orange light when charging, turns green when full, auto stop charging.
Support a variety of lithium/Ni-MH battery type charging, as long as the size below the length of 71mm, diameter of 26mm.
Material: ABS; Size: 10 x 3 x 4 cm; Input: AC 100V-240V, 47-63Hz; Output: 3.7V/500mA

3. Nitecore UI1 Single-Slot Intelligent Lithium-ion Battery USB Charger for 18650, 18350, 20700, 21700, 16340, 14500 and More,and LumenTac Battery Organizer

Feature

POWERFUL CHARGER-The NITECORE UI1 reaches a single slot maximum charging current of 800mA when using 3.7V rechargeable batteries.
MICRO-USB COMPATIBLE - Compatible with multiple USB inputs including solar panels, adapters, and power reservoirs for quick and efficient charging.
INTELLIGENT CHARGING - The UI1 is equipped with intelligent charging mode selection that automatically adopts the optimal charging modes for batteries.
LIGHTWEIGHT AND COMPACT - Weighing 1.43 ounces and less than 5 inches in length, the lightweight and compact size of the UI1 allows you to carry it with you on the go.
UI1 CHARGER KIT - Included in this bundle is the NITECORE UI1 21700/18650 battery charger, usb cable, and LumenTac battery/cable case.

4. 18650 Lithium Battery Charger, Suitable for Lithium Battery 18650 26650 10440 14500 18500 16340 32650 Battery Charger, USB Single Slot Battery Charger

Feature

[Suitable for]With adjustable electrode,this Single slot portable battery charger can charge many types of batteries,Such as: 18650, 26650, 32650, 18500, 14500 and other rechargeable batteries use
[Safety Protection]This lithium polymer battery charger contains current and Vmax detection program to prevent your batteries from overcharging,Short circuit protection Reverse connection protectio with
[USB Connection]Using a usb port to charge,You can charge the battery on the charging head, on the car charger, or on the power bank, Wide range of use, more convenient for daily use
[Temperature Protection]: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth.
[Note]:Don't not use on outdoor and humid condition.If it is not charged, it may be that the battery is full, aging, short-circuited, reversed,loaded in a normal battery,and electrode is dirty.

5. E-outstanding Wall Charger Black 3.7V Single Slot Rechargeable Battery Charger for 18650 18350 16340 14500 14000 Li-ion Battery

Feature

Made of high-quality materials, strong and durable, and long service life.
Automatic constant current control can quickly charge to prevent battery overcharge, short circuit and electric shock.
With light-emitting diode indicator: red light represents charging status, green light represents full charge.
Universal multifunctional AC wall-mounted battery charger for home/travel.
Input voltage: 100-240C AC, 47-63Hz.Output voltage: 3.7V DC.Rated current: 450mA.Size: 100x30x40mm / 3.94x1.18x1.57 inches.

6. TOPION 18650/26650 Battery Charger USB Single Slot Intelligent Multi-Compatible Torch Battery Charger

Feature

Single core circuit design, intelligent fast charging
Smart chip technology, full self-stop
USB interface, portable and easy to use
Spring battery compartment, compatible with multiple batteries
Applicable to 10440 14500 18650 and other batteries

7. WYTR 18650 Charger Single Double 4 Slot 3.7v Battery Charger Multifunction Charge Universal Flashlight Charger

Feature

Made of the quality material, it is durable and wear-resistant.
Automatic identification and conversion can be used Compatible with self-stop charging of various 3.7V lithium-ion rechargeable batteries.
Current, Vmax detection, full self-stop display, protect the battery.
When charging, the red light will be on, the full turn will turn green, and the charge will be automatically stopped. Transfer to the turbulent flow, can be plugged in Compatible with a long time.
Made from Durable ABS material, durable.

8. JIALANRW 18650 Lithium Charger, Suitable for Lithium 18650 26650 10440 14500 18500 16340 Battery 18650 Battery USB Single Slots Charger(White)

Feature

[Suitable for]With adjustable electrode,this Single slot portable battery charger can charge many types of batteries,Such as: 18650, 26650, 18500, 14500 and other rechargeable batteries use
[Safety Protection]This lithium polymer battery charger contains current and Vmax detection program to prevent your batteries from overcharging,Short circuit protection Reverse connection protectio with
[USB Connection]Using a usb port to charge,You can charge the battery on the charging head, on the car charger, or on the power bank, Wide range of use, more convenient for daily use
[Temperature Protection]: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth.
[Note]:Don't not use on outdoor and humid condition.If it is not charged, it may be that the battery is full, aging, short-circuited, reversed,loaded in a normal battery,and electrode is dirty.

9. E-outstanding 5V 2A/1A Single-Slot Smart Universal Battery Charger with Indicator Light and USB Cable for Lithium Ion 26650 22650 18650 17670 18490 17500 18350 16340 14500 10440 21700 NiMH and NiCd

Feature

Made of high-quality materials, strong and durable, long service life.
Lightweight, portable, multifunctional and durable, it can quickly charge the battery.
Advanced protection measures can prevent short circuit, over current, over charging and wrong polarity direction.
The indicator light shows the charging status and turns green when fully charged. Stop after fully charged.
Input: 5V2A / 5V1A.Output: 0.8A.Size: 105x25x29mm / 4.13x0.98x1.14Inch (LxWxH).Weight: 27g/pc.Packing quantity: 1PC battery charger (not including battery).

10. Miyuan 1 Slot Lithium Battery Charger,14500 16340 18650 Single Bay Universial Chargers,USB Charging,for 10440 16650 14650 18350 18500 (1 Slot)

Feature

Compatible battery type: 10440 14500 16340 16650 14650 18350 18500 18650
Built-in charging management IC, special for charging 3.7V lithium battery. The voltage is 4.23V when fully charged.
Charging indicator: It displays red light when charging, and turns green light when fully charged. It has charging protection function and will not be overcharged.
Charging at any time, convenient and fast. Socket charging, mobile power, car charging, computer charging. Slot design, multiple compatible: High-standard slot design, can charge a variety of batteries. The fastened card position avoids poor contact, which is more effective and convenient.
Over-voltage protection. Overcurrent protection. Over temperature protection. Short circuit protection. Reverse connection protection. Over discharge protection. High temperature resistance and good heat dissipation. Environmentally friendly engineering materials

Conclusion

By our suggestions above, we hope that you can found the best 18650 charger single slot for you. Please don't forget to share your experience by comment in this post. Thank you!